Category
page 1Viterbo Papacy
Urban IV
Head of the Catholic Church from 1261 to 1264 (1185–1264)
Alexander IV
pope of the Catholic Church from 1254 to 1261
Clement IV
Pope (1265-1268)
Nicholas III
Pope from 1277 to 1280
John XXI
pope (1276-1277)
Adrian V
pope
Martin IV
Head of the Catholic Church from 1281 to 1285
Viterbo Cathedral
church building in San Martino al Cimino, Italy
September 1276 papal election
election of Pope John XXI
1268–71 papal election
papal election (1268–1271)
1280–81 papal election
election of Pope Martin IV
1277 papal election
election of Pope Nicholas III
Palazzo dei Papi di Viterbo
building in San Martino al Cimino, Italy